Commercial Mechanical Estimator - HVAC

About the role

Our client is a fast-growing commercial mechanical contractor specializing in HVAC design-build, installation, and retrofit services across commercial, institutional, and industrial sectors. The company delivers complex mechanical scopes for new construction and renovation projects, including office buildings, retail spaces, healthcare facilities, educational institutions, and hospitality developments. They operate in a high-growth segment of the commercial construction industry, managing large-scale, high-value projects with strong emphasis on precision, efficiency, and cost control. Job Overview We are seeking a detail-oriented Commercial HVAC Estimator with at least 2+ years of experience in mechanical estimating to support the full bid lifecycle. You will work closely with the client's estimating and operations teams, supporting project bids from initial plan review through final submission. This role requires strong technical understanding of HVAC systems, excellent attention to detail, and the ability to identify scope gaps and risks in complex construction documents. Your work will directly impact bid accuracy, profitability, and project success.

Responsibilities

• Review and analyze full bid packages, including mechanical drawings and Division 23 specifications, to identify scope gaps, risks, and missing requirements.
• Perform detailed quantity takeoffs for HVAC systems including:
• Ductwork
• Hydronic and refrigerant piping
• Equipment (AHUs, RTUs, chillers, boilers)
• Diffusers, grilles, registers
• Controls and related components
• Extract and interpret technical requirements from drawings, schedules, addenda, and specifications.
• Support bid preparation including pricing, assembly, and coordination with the lead estimator and internal team.
• Source and organize vendor and subcontractor quotes for equipment, materials, and specialty systems.
• Apply labor units (SMACNA/MCAA or client-specific standards) to develop accurate labor estimates.
• Collaborate with project management and engineering teams to ensure estimating accuracy and consistency across documentation.
• Ensure compliance with mechanical codes (IMC, ASHRAE) and commercial construction standards.
• Assist in identifying constructability issues and logistical challenges in proposed HVAC systems.
• Project Types
• Commercial new construction HVAC systems
• Tenant improvements and interior fit-outs
• Equipment replacement and retrofit projects
• Design-build mechanical projects
• Competitive plan-and-spec bids

Requirements

• Minimum 2+ years of experience in commercial HVAC or mechanical estimating.
• Strong ability to read and interpret mechanical drawings, specifications, and bid documents.
• Proven experience identifying scope gaps, inconsistencies, and cost risks in estimates.
• Proficiency in Excel and familiarity with HVAC estimating/takeoff tools such as:
• FastEST / FastDUCT / FastPIPE
• QuoteSoft
• Trimble Autobid Mechanical
• PlanSwift
• Bluebeam
• Solid understanding of HVAC systems, including:
• Air handling units, rooftop units, chillers, boilers
• VAV and fan coil systems
• Ductwork and piping systems
• Controls and building automation systems
• Strong communication skills with ability to collaborate with U.S.-based teams.
• A neutral English accent and clear verbal communication is required.
• Prior remote experience working with U.S. contractors is strongly preferred.
• Highly detail-oriented with strong analytical and organizational skills.
• Why This Role

Benefits

Additional Information

Job Title: Estimator - Commercial HVAC Employment Type: Full-Time, Remote Working Hours: Monday - Friday, 8:00 AM - 5:00 PM US Eastern Time Compensation: USD $1,500 - $2,200/month (depending on experience) Location: LATAM

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